KamiĆski, Tomasz
Menten, Karl M.
Tylenda, Romuald
Hajduk, Marcin
Patel, Nimesh A.
Kraus, Alexander
Article History
Received: 14 October 2014
Accepted: 23 January 2015
First Online: 23 March 2015
Competing interests
: The authors declare no competing financial interests.